From: Archit Taneja <architt@codeaurora.org>
To: robdclark@gmail.com
Cc: linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org,
Archit Taneja <architt@codeaurora.org>
Subject: [PATCH 0/2] drm/msm: Fixes for issues seen on DB410c
Date: Tue, 25 Oct 2016 12:17:58 +0530 [thread overview]
Message-ID: <1477378080-16087-1-git-send-email-architt@codeaurora.org> (raw)
The ADV7533 driver and DT bindings for MDSS hardware are both available
in 4.9, which is sufficient to boot with HDMI display on DB410c.
With the drm/msm and ADV7533 enabled, the system hangs during boot.
One reason is that the PLL driver tries to access registers without
the necessary interface clocks enabled. The other reason is a
deadlock caused by calling drm_hpd_helper_irq_event in a context
that might already hold drm_device's mode_config.mutex.
Archit Taneja (2):
drm/msm/dsi: Queue HPD helper work in attach/detach callbacks
drm/msm: Don't provide 'is_enabled' PLL clk_ops
drivers/gpu/drm/msm/dsi/dsi_host.c | 14 ++++++++++++--
drivers/gpu/drm/msm/dsi/pll/dsi_pll_28nm.c | 10 ----------
drivers/gpu/drm/msm/dsi/pll/dsi_pll_28nm_8960.c | 10 ----------
drivers/gpu/drm/msm/hdmi/hdmi_phy_8996.c | 13 -------------
4 files changed, 12 insertions(+), 35 deletions(-)
--
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next reply other threads:[~2016-10-25 6:47 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-25 6:47 Archit Taneja [this message]
2016-10-25 6:47 ` [PATCH 1/2] drm/msm/dsi: Queue HPD helper work in attach/detach callbacks Archit Taneja
2016-10-25 6:48 ` [PATCH 2/2] drm/msm: Don't provide 'is_enabled' PLL clk_ops Archit Taneja
2016-10-25 20:28 ` Stephen Boyd
2016-10-26 7:36 ` Archit Taneja
2016-10-27 6:27 ` [PATCH v2 2/2] drm/msm: Set CLK_IGNORE_UNUSED flag for PLL clocks Archit Taneja
2016-10-27 23:58 ` Stephen Boyd
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